Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC3NKH callsign genealogy
Currently held by Wlotko, Mark S
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KC3NKH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC3NKH.
- Wlotko, Mark SPAgranted 2020-05-27cancelled 2021-05-21